US Bridges

212th RD over Walnut River

Good

Cowley County, Kansas · 4.0E of Hackney · Structure no. 000000000180660

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
434 ft
5 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

212th RD over Walnut River is a prestressed concrete continuous stringer/multi-beam or girder carrying 212th RD over Walnut River in Cowley County, Kansas. It was built in 2006, so it is 19 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2044. The structure is 434 ft (132.3 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

Carries212th RD
CrossesWalnut River
Location4.0E of Hackney
RouteCounty Highway 786
StateKansas
Coordinates37.17023, -96.95397
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.1 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length434 ft (132.3 m)
Longest span100 ft (30.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic250 (2021)
Projected traffic300 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 212th RD over Walnut River built?

It was built in 2006, making it 19 years old in 2025.

What condition is 212th RD over Walnut River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 212th RD over Walnut River carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 212th RD over Walnut River?

The structure is 434 ft (132.3 m) long with a longest span of 100 ft (30.4 m) and a deck 32 ft wide.

Who owns 212th RD over Walnut River?

It is owned by the County Highway Agency.